durable, form-fitting shell easily adjusts to fit most face shapes and sizes, adjustable nosepiece helps seal along the nose and cheeks, molded nosepiece improves compatibility with eye protection products, and sealing dots on the top reduce fogging of eyewear for better vision, provides protection from low-level exposure to non-hazardous dusts as well as oil or water vapors typically encountered during hand sanding and simple DIY tasks, head straps hold the respirator securely in place and contribute to a good, comfortable seal, with color coding providing information on performance classification